Feature/inrel 5868 tests

src/TipserClient.php

@@ -59,7 +59,7 @@ public function __construct(ClientInterface $httpClient, ConfigFactoryInterface
    * @return \Psr\Http\Message\ResponseInterface
    * @throws GuzzleException
    */
-  protected function callAPI($params, $items, &$messages) {
+  public function callAPI($params, $items, &$messages) {
     $tipser_pos = $this->config->get('tipser_pos');
 
     if (isset($params['product_id'])) {

tests/Unit/TipserClientTest.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace Drupal\Tests\tipser_client\Unit;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Tests\UnitTestCase;
+use Drupal\tipser_client\TipserClient;
+use GuzzleHttp\Client as HttpClient;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+
+
+/**
+ * @file
+ * PHPUnit tests for the Tipser Client.
+ */
+class TipserClientTest extends UnitTestCase {
+
+  /**
+   * Mock of http_client service.
+   *
+   * @var \GuzzleHttp\Client
+   */
+  protected $mockHttp;
+
+  /**
+   * Mock handler.
+   *
+   * @var \Drupal\Core\State\State
+   */
+  protected $mockhandler;
+
+  /**
+   * Mock of config.factory service.
+   *
+   * @var \Drupal\Core\Config\ConfigFactory
+   */
+  protected $mockConfigFactory;
+
+  /**
+   * String translation mock.
+   *
+   * @var \Drupal\Core\StringTranslation\TranslationInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $stringTranslation;
+
+    /**
+   * Set up test environment.
+   */
+  public function setUp() {
+    parent::setUp();
+
+    $this->mockHandler = new MockHandler();
+    $handler = HandlerStack::create($this->mockHandler);
+    $this->mockHttp = new HttpClient(['handler' => $handler]);
+    $this->stringTranslation = $this->getStringTranslationStub();
+
+    $config = [
+      'tipser_client.config' => [
+        'tipser_activated' =>  true,
+        'tipser_shopping_cart_icon_activated' =>  true,
+        'shop_url' =>  'https => //www.tipser.com',
+        'tipser_api' =>  'https => //t3-prod-api.tipser.com',
+        'tipser_pos' =>  'foo',
+        'tipser_apikey' =>  'very_long_key',
+        'tipser_env' =>  'prod',
+        'vocabulary' =>  'tipser_categories',
+      ],
+    ];
+    $mockConfigFactory = $this->getConfigFactoryStub($config);
+
+    $this->mockConfigFactory = $mockConfigFactory;
+  }
+
+  /**
+   * Test the callAPI method.
+   */
+  public function testCallAPI() {
+
+    $body = file_get_contents(__DIR__ . '/Mocks/kleid.json');
+    // This sets up the mock client to respond to the first request it gets
+    // with an HTTP 200 containing your mock json body.
+    $this->mockHandler->append(new Response(200, [], $body));
+
+    $tipser = new TipserClient(
+      $this->mockHttp,
+      $this->mockConfigFactory,
+    );
+
+    $params = $items = $messages = [];
+    $params['product_id'] = '1234';
+    $tipser_response = $tipser->callAPI($params, $items, $messages);
+    $tipser_result  = Json::decode($tipser_response->getBody());
+
+    $this->assertNotEmpty($tipser_result);
+    $this->assertNotEmpty($messages['url']);
+    $this->assertEquals($tipser_result, Json::decode($body));
+  }
+}